The value of a, if the value of -x2+3x-a is equal to 8, whenx=-1,is – InterviewSolution

1.	The value of a, if the value of -x2+3x-a is equal to 8, whenx=-1,is
Answer» 23x=82x+1 ⟹23x=(23)2x+1 ⟹23x=(23x)2+1 And now we have the equation in a more manageable form and something about it RESEMBLES a quadratic equation but not with those exponents so the next step is: Let A=23x Which LEAVES us with: A=A2+1 Rearranging and SOLVING for 0: A2−A+1=0Step-by-step explanation:PLZ mark brainliest

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